1444800400

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{18911}}^1$

素因数の和:19120

約数の個数: 60

約数和(自身を含む): 3489490944

約数和(自身を除く): 2044690544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 382, 400, 764, 955, 1528, 1910, 3056, 3820, 4775, 7640, 9550, 15280, 18911, 19100, 37822, 38200, 75644, 76400, 94555, 151288, 189110, 302576, 378220, 472775, 756440, 945550, 1512880, 1891100, 3612001, 3782200, 7224002, 7564400, 14448004, 18060005, 28896008, 36120010, 57792016, 72240020, 90300025, 144480040, 180600050, 288960080, 361200100, 722400200, 1444800400]

約数ペア:

[(1, 1444800400), (2, 722400200), (4, 361200100), (5, 288960080), (8, 180600050), (10, 144480040), (16, 90300025), (20, 72240020), (25, 57792016), (40, 36120010), (50, 28896008), (80, 18060005), (100, 14448004), (191, 7564400), (200, 7224002), (382, 3782200), (400, 3612001), (764, 1891100), (955, 1512880), (1528, 945550), (1910, 756440), (3056, 472775), (3820, 378220), (4775, 302576), (7640, 189110), (9550, 151288), (15280, 94555), (18911, 76400), (19100, 75644), (37822, 38200)]